Billing

If you have a pending purchase or charge than has not been able to go through, you will need to verify your payment methods added to your Apple ID.

click here ➜ If a message says 'billing problem with previous purchase' or 'verification required' - Apple Support

"If you currently have an outstanding purchase or a charge that hasn't processed successfully, it's essential to ensure the accuracy of the payment methods associated with your Apple ID.

For further assistance, please visit this link If a message says 'billing problem with previous purchase' or 'verification required' - Apple Support

Normally that would expect your Apple ID password. It should tell you exactly what its expecting.

Also, if you follow the steps in the support document I provided it will tell you how to verify your payment method.

click here ➜ If a message says 'billing problem with previous purchase' or 'verification required' - Apple Support